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DAC-1721

Dual AES To Analog Audio Converter

The DAC-1721 is high-quality, 24-bit, digital to analog audio converter which allows conversion of two AES digital signal into to two stereo analog audio signals. The DAC-1721 is a dual input converter card. The input sampling rates can be up to 100 kHz, including 32 kHz, 44.1 kHz, 48 kHz and 96 kHz. An internal digital EBU tone generator facilitates alignment of audio levels. All analog audio output levels may be set individually. A digital 50/15 µs de-emphasis stage may be selected manually or automatically according to the channel status. Input status is also available indicating input audio signal presence or overload. The DAC-1721 is compatible with both AES3 and AES-3id digital audio...

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DAC-1721
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FEATURES

  • Single or dual AES3, AES-3id or S/PDIF digital input(s)
  • Single or dual stereo analog audio outputs
  • 0 dBFS programmable analog (+15, 16, 18, 20, 21, 22, 24 and 28 dBu) level mapping
  • 24-bit D/A conversion
  • 32 to 96 kHz sampling rates
  • -96 to +12 dB level adjustment (by 0.5 dB steps) per channel
  • Adjustable presence and overload threshold
  • Internal EBU tone generator
  • Digital 50/15 µs de-emphasis selectable

SPECIFICATIONS

Input
  • Signal: AES3
  • Level: 0.2 to 7 Vp-p
  • Termination: 110Ω balanced
  • Return loss: >15 dB up to 12 MHz
  • AES-3id (S/PDIF compatible)
  • Signal: AES-3id (SMPTE ST 276)
  • Level: 0.2 to 5.0 Vp-p
  • Termination: 75Ω unbalanced
  • Return loss: >15 dB up to 12 MHz
Outputs (2)
  • Signal: Balanced analog audio
  • Impedance: <50Ω
  • Maximum level: 24 dBu / 600Ω
Processing Performance
  • Quantization: 24 bits
  • Sampling: 20 to 50 kHz (128X over-sampling)
  • 50 to 100 kHz (64X over-sampling)
  • 0 dBfs: +15, 16, 18, 20, 21, 22, 24 and 28 dBu
  • SNR: >116 dB (A weighted)
  • Distortion: <-96 dB
  • Crosstalk: <-100 dB (20 Hz to 20 kHz)
  • Freq. response: ±0.2 dB (20 Hz to 20 kHz)
  • De-emphasis: ±0.3 dB (50/15 μs)
  • Latency: 32/FS (670 μs at 48 kHz)
  • Tone generator: 1 kHz sine wave interrupted on left channel (250 ms / 3s)
Electrical
  • Power: 4.3W

ORDERING INFORMATION

Densité 2 frame Densité 3 frame Description
DAC-1721 DAC-1721-3RU Dual AES to analog audio converter
DAC-1721-75-SRP DAC-1721-75-SRP-3RU Single rear connector panel, 75Ω
DAC-1721-110-SRP DAC-1721-110-SRP-3RU Single rear connector panel, 110Ω
DAC-1721-75-DRP DAC-1721-75-DRP-3RU Double rear connector panel, 75Ω
DAC-1721-110-DRP DAC-1721-110-DRP-3RU Double rear connector panel, 110Ω
 
Remote control GV Orbit, iControl, iControl Solo

DOCUMENTS & DOWNLOADS

DATASHEETS

Download DAC-1721 Datasheet
DAC-1721: Dual AES to Analog Audio Converter Datasheet

The DAC-1721 from Grass Valley is high-quality, 24-bit, digital to analog audio converter
which allows conversion of two AES digital signal into to two stereo analog audio signals.
Download

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